Scoop or bucket.



9 9 m m nu e D d e t n e t a P R E F E o H G n" E B c 6 5 s, 9 3 6 0. N

S0010? 0H BUCKET. (Application filed Aug. 31, 1899.)

(No Model.)

Tus Noms Perses ce., wofouwo., wAenmsron. u. c.

Nrrnn STATES CHARLES BERGHOEEEE, oE MILWAUKEE, wisconsin;

soooP 0R BUCKET.

SPECIFICATION forming part of Letters Patent No. 639,656, dated December 19, 189g.

Application led August 31,1899.

To all whom t may concern:

Beit known that I, CHARLES BERGHOEEER, of Milwaukee, in the county of Milwaukee and State of WVisconsin, have invented a new and usefullmprovement in Scoops orBuckets, of which the following is a description, reference being had to the accompanying drawings, which are a part of this specification.

My invention relates to improvements in scoops or buckets of a class consisting of two opposite hinged and closing members, commonly known as clam-shell buckets,adapt ed for scooping up and elevating broken coal, mud, grain, or other loose scoopable snbstances.

The invention consists of the devices and their combinations, as herein described and claimed, or the equivalents thereof.

In the drawings, 5 5 are the two shells or members of the bucket, which are advisably and conveniently made in a substantially semicylindrical form hinged together on a common axle 6 conveniently by means of arms 7 7, fixed to the top edges of the ends of the members of the bucket and pivoted on the axle 6. The shell members 5 5 are constructed with complementary edges meeting each other when the bucket is closed and separating from each other when the bucket is opened for discharging its contents. These meeting edges are preferably in a radial plane from the axle 6. Bucket-supporting hangers S S are pivoted at their upper extremities on a supportingbar 9, which is provided with a centrally-dis! posed ring 10, to which a chain or supporting device (not shown) is connected for suspending and raising and lowering the bucket. The hangers S 8, at their lower extremities, are pivoted to the members 5 5 near their upper edges and at a distance laterally from the axle 6. The construction thus described permits of the separating and closing of the members 5 5 along their complementary edges, swinging on their pivotal connections to the hangers 8 8.

For raising the axle 6 on which the arms 7 7 are pivoted, and thereby closing the members of the bucket, and for permitting the axle 6 to drop a limited distance, thereby providing for the separating of the members 5 5, and thus opening the bucket, improved de vices are provided as follows: A grooved censerin No. 729,029. (No man.)

trally-disposed pulley 11 is provided with hub# skein or sleeve 14e. A bucket-closing cord or cable 15, secured at one end to the pulley 11 and winding on the grooved rim of the pulley, is adapted to compel the rotation of the pulley. At each side of the pulley 11 there vis a sleeve 16, journaled on the axle 6, each sleeve being provided with a radially-projecting leg 17, on which, by means of a stud-pin 18,there is mounted a pinion 19, which pinions mesh with the pinions formed on the hubs 12 of the pulley 11. At each'side of the pulley 11 there is also a wheel-case 20, each provided with a hub 21, which are iitted and rotate on the sleeve 16. The hubs 2l at their outer ends abut against the arms 7, and the inner edges of the wheel-cases 2O come close to the sides of the rim of the pulley 11. The radially-projecting Walls ofthe groove in the rim of the pulley 11 are provided with overturned or laterally-projecting ledges 22, that project over the inner ends of the wheel-cases 20, the construction forming a complete cover and inclosure of the cog-Wheel mechanism mounted on the axle 6. The wheelcases 2O 20 are each provided with an internal toothed wheel 23, which meshes with the adjacent pinion 19. Chains 24,severally secured to one of the hubs 21 of the wheel-case, wind on the hubs of the wheel-cases and extend therefrom and are secured to the su pporting-bar 9, conveniently by being attached to ears on sleeves 25 on the bar 9. The bucketclosing cord 15 is advisably guided and secured in place near the pulley 11 by running between idle pulleys 26 26, mounted on an extension of one of the hangers 8. l

The bucket thus described is adapted to be raised and lowered by means of a cable attached to the ring 10, and the bucket being normally open, by the separation of the members 5 5 thereof by gravity when the cord 15 is loose, the bucket is adapted to be closed by pulling on the cord 15, thereby rotating the pulley 11 and, through the pinions 19, rotating the wheel-cases 20 and winding up the chains 24 on the hubs 21, thereby lifting the axle 6 and bringing the inner complementary edges ofthe members of the bucket together, closing it, and thereby scooping up and holding any material that may be between the open members of the bucket. By reason of the varying sizes of the rim of the pulley ll the hubpinions l2, the pinions 19, the wheels 23, and the drum-hubs 2l great power for closing the members 5 5 of the bucket is obtained by a comparatively small force applied on the cord 15 for rotating the pulley 1l.

What I claim as my invention is l. A scoop-bucket comprising complementary closing members, hingingarms rigid on the closing members, a hinging-axle, an actuating-pulley on the hinging-axle, means for actuating the pulley,diierential gears mounted on the hinging-axle and actuated by the pulley, and means operated on by the gears for lifting the axle.

2. The combination with the complementary hinged and closing members of a bucket, and its hinging-axle, of a pulley mounted on the axle, a cord Winding on the pulley, intermediate pinions loose on sleeves ou the axle and meshing with pinions on the hub of the.

pulley, toothed wheels meshing with the intei-mediate pinions and chains Winding on the hubs of the toothed wheels and attached to a bucket-supporting device.

3. The combination ofcomplementary closing bucket members hinged directly to each other at the axis of the radial lines of the abutting edges of the closing members, hangers pivoted to the members at a distance laterally from their hinge-pivot and to a supporting device, a bucket-hinging axle, difi'er` ential gears on said axle, chains Winding on hubs 0E these gears and secured at a distance therefrom to the supporting device,and means for actuating the gears.

4. The combination with the complementary hinged and closing members of a bucket, and its hinging-axle, of a large pulley mounted medially on the axle, a cord Winding on the pulley, small pinions on thehubs of the pulley, small intermediate pinions mounted on sleeves on the axle and meshing with the pinions on the hubs of the pulley,large toothed wheels meshing with the intermediate pinions, small drum-like hubs on the two Wheels, and lifting-chains Winding on the drum-like hubs and attached to the bucket-supporting device.

5. The combination of complementary hinged and closing bucket members, a hinged axle,an actuating-pulley rotatable on the axle, intermediate pinions meshing with pinions on the pulley, and a Wheel-case mounted on the axle and provided with an internal toothed Wheel meshing with said intermediate pinions, said case being constructed to form a housing inclosing all said gears.

6. The combination of complementary hinged and closing bucket members, hangers pivoted to the members at a distance laterally from their hinge-pivot and toa supporting device, a hinge-axle, a pulley mounted on the axle adapted to actuate devices for raising the axle, a cord running on the pulley, and guide-pulleys on one of said hangers guiding said pulley-cord.

In testimonywhereof Iaix my signature in presence of two witnesses.

CHARLES BERGHOEFER.

/Vitnesses:

O. T. BENEDICT, '0. H. KEENEY. 

